This manual provides instructions for installing and configuring the Altivar 71 Modbus Plus card
This manual provides the instructions needed to install, wire, configure and diagnose the Modbus Plus communication card used with the Schneider Altivar 71 variable‑speed drive. It includes safety warnings, hardware description, connector pinout, and details on how to set the card address and mode.
The document also explains how to access communication menus via the graphic or integrated display terminals, how to interpret fault LEDs, and which diagnostic parameters can be read to troubleshoot network or card faults.
| Connector type | 9‑way female SUB‑D |
|---|---|
| Addressing switches | 8 switches used to set network address |
A fault is indicated by the LED on the Modbus Plus card lighting up.